Transportadora de Gas del Sur SA

Law Debenture Trust Company of New York has been appointed as trustee, registrar and paying agent for these new notes issued by Transportadora de Gas del Sur (TGS).  TGS is based in Argentina and is engaged in the exploration, distribution and commercialization of natural gas.  They are listed on the New York Stock Exchange under symbol TGS.  TGS has been a client since 2004.